var numbers=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,
];

const p = {
    first: "Peter",
    last : "Pan",
    get fullName() { return this.first + " " + this.last;  }
};

const str = "Hello, world!"
;

var str2=str.charAt(3)+str[0];

var multilinestr = "Hello \
World"
;

function test (a,     b = "world") { let combined =a+   b; return combined};

test  ("Hello");
